This is a front-end for the Online Encyclopedia of Integer Sequences, made by Christian Perfect. The idea is to provide OEIS entries in non-ancient HTML, and then to think about how they're presented visually. The source code is on GitHub.
| n | a(n) |
|---|---|
| 2 | 1 |
| 3 | 1 |
| 4 | 243 |
| 5 | 419 |
| 6 | 1 |
| 7 | 1 |
| 8 | 273 |
| 9 | 1824 |
| 10 | 9474 |
| 11 | 10657 |
| 12 | 1 |
| 13 | 8194 |
| 14 | 1 |
| 15 | 53314 |
| 16 | 47314 |
| 17 | 36354 |
| 18 | 1 |
| 19 | 246049 |
| 20 | 53808 |
| 21 | 378690 |
| 22 | 170768 |
| 23 | 185027 |
| 24 | 1 |
| 25 | 247507 |
| 26 | 1 |
| 27 | 1002324 |
| 28 | 722739 |
| 29 | 278179 |
| 30 | 301299 |
| 31 | 334194 |
| 32 | 1004643 |
| 33 | 959859 |
| 34 | 1 |
| 35 | 1538803 |
| 36 | 1798450 |
| 37 | 1 |
| 38 | 4168450 |
| 39 | 2841074 |
| 40 | 1 |
| 41 | 1877793 |
| 42 | 5556355 |